Next question... any guess as to the thread pitch? I'd be curious if it's possible to attach a modern suppressor to it.
Mauser 1914 7.65 Browning 32 ACP Threaded
https://www.gunbroker.com/item/786651123
Mauser 1914 7.65 Browning 32 ACP Threaded
https://www.gunbroker.com/item/786651123